At 02:39 PM 05/03/2001, you wrote:
>This isn't entirely true. DOF depends on focal length whenever
>you are not in macro range, IOW, if you start to approach
>hyperfocal distance. The DOF of a 20mm and a 200mm, both at f/8
>and at a magnification of 1:100 is extremely different.

If you put a 20mm and a200mm lens on a camera, both at the same aperture 
and vary the camera-to-subject distance so the image is the same size on 
the film, depth of field will not differ.
--
regards,
Henry Posner
Director of Sales and Training
B&H Photo-Video, and Pro-Audio Inc.
http://www.bhphotovideo.com

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